Telephony and Telegraphy: Introduction to Telephone and Telegraph Instruments and Exchanges Sydney F. Smith
1969. No Edition Remarks. 285 pages. Pictorial paper cover. Contains black and white illustrations. Clean pages and illustrations with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Modern tape marks to revers covers and half title page. Paper covers have moderate edge-wear with slight rubbing to surfaces and curling to corners. Visible wear marks to boards. Plastic cover around covers.